The author would like to thank Thomas Beech, Jill Blair,
Paul Brest, Phil Buchanan, Jim Canales, Chris DeVita, Charles
Edelsberg, Larry Kramer, Patty Stonesifer, Melinda Tuan, and
Kathleen Yazbak for their comments on earlier versions of this
article. She also extends special thanks to the many other
CEOs she interviewed as part of her research.